123 lines
3.8 KiB
PHP
123 lines
3.8 KiB
PHP
<?php
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/**
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* Observium
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*
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* This file is part of Observium.
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*
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* @package observium
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* @subpackage graphs
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* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2019 Observium Limited
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*
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*/
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$src = device_by_id_cache($vars['src']);
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// Dear Tobias. You write in Perl, this makes me hate you forever.
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// This is my translation of Smokeping's graphing.
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// Thanks to Bill Fenner for Perl->Human translation:>
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$scale_min = 0;
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$scale_rigid = TRUE;
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include_once($config['html_dir']."/includes/graphs/common.inc.php");
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include("smokeping_common.inc.php");
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$i = 0;
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$pings = 20;
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$iter = 0;
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$colourset = "mixed";
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if($width > "500")
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{
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$descr_len = 18;
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} else {
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$descr_len = 12 + round(($width - 275) / 8);
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}
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if($width > "500")
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{
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$rrd_options .= " COMMENT:'".substr(str_pad($unit_text, $descr_len+5),0,$descr_len+5)." RTT Loss SDev RTT\:SDev \l'";
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} else {
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$rrd_options .= " COMMENT:'".substr(str_pad($unit_text, $descr_len+5),0,$descr_len+5)." RTT Loss SDev RTT\:SDev \l'";
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}
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$target = $device['hostname'];
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if($config['smokeping']['suffix']) $target = str_replace($config['smokeping']['suffix'],"",$target);
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if($config['smokeping']['split_char']) $target = str_replace(".", $config['smokeping']['split_char'],$target);
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if (isset($config['smokeping']['master_hostname']))
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{
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$master_hostname = $config['smokeping']['master_hostname'];
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} else {
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$master_hostname = $config['own_hostname'];
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}
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foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($config['smokeping']['dir'])) as $filename_dir)
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{
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if (($src['hostname'] == $master_hostname) && strstr($filename_dir, $target.".rrd"))
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{
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$filename = $filename_dir;
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}
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elseif (strstr($filename_dir, $target."~".$src['hostname'].".rrd"))
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{
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$filename = $filename_dir;
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}
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}
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if (!isset($config['graph_colours'][$colourset][$iter])) { $iter = 0; }
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$colour = $config['graph_colours'][$colourset][$iter];
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$iter++;
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$descr = rrdtool_escape($source, $descr_len);
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$filename_escape = rrdtool_escape($filename);
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$rrd_options .= " DEF:median$i=".$filename_escape.":median:AVERAGE ";
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$rrd_options .= " DEF:loss$i=".$filename_escape.":loss:AVERAGE";
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$rrd_options .= " CDEF:ploss$i=loss$i,$pings,/,100,*";
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$rrd_options .= " CDEF:dm$i=median$i";
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# $rrd_options .= " CDEF:dm$i=median$i,0,".$max->{$start}.",LIMIT";
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// start emulate Smokeping::calc_stddev
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foreach (range(1, $pings) as $p)
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{
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$rrd_options .= " DEF:pin".$i."p".$p."=".$filename_escape.":ping".$p.":AVERAGE";
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$rrd_options .= " CDEF:p".$i."p".$p."=pin".$i."p".$p.",UN,0,pin".$i."p".$p.",IF";
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}
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unset($pings_options, $m_options, $sdev_options);
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foreach (range(2, $pings) as $p)
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{
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$pings_options .= ",p".$i."p".$p.",UN,+";
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$m_options .= ",p".$i."p".$p.",+";
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$sdev_options .= ",p".$i."p".$p.",m".$i.",-,DUP,*,+";
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}
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$rrd_options .= " CDEF:pings".$i."=".$pings .",p".$i."p1,UN". $pings_options . ",-";
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$rrd_options .= " CDEF:m".$i."=p".$i."p1".$m_options.",pings".$i.",/";
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$rrd_options .= " CDEF:sdev".$i."=p".$i."p1,m".$i.",-,DUP,*".$sdev_options.",pings".$i.",/,SQRT";
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// end emulate Smokeping::calc_stddev
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$rrd_options .= " CDEF:dmlow$i=dm$i,sdev$i,2,/,-";
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$rrd_options .= " CDEF:s2d$i=sdev$i";
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$rrd_options .= " AREA:dmlow$i";
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$rrd_options .= " AREA:s2d$i#".$colour."30::STACK";
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$rrd_options .= " LINE1:dm$i#".$colour.":'$descr'";
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# $rrd_options .= " LINE1:sdev$i#000000:$descr";
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$rrd_options .= " VDEF:avmed$i=median$i,AVERAGE";
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$rrd_options .= " VDEF:avsd$i=sdev$i,AVERAGE";
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$rrd_options .= " CDEF:msr$i=median$i,POP,avmed$i,avsd$i,/";
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$rrd_options .= " VDEF:avmsr$i=msr$i,AVERAGE";
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$rrd_options .= " GPRINT:avmed$i:'%5.1lf%ss'";
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$rrd_options .= " GPRINT:ploss$i:AVERAGE:'%5.1lf%%'";
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$rrd_options .= " GPRINT:avsd$i:'%5.1lf%Ss'";
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$rrd_options .= " GPRINT:avmsr$i:'%5.1lf%s\\l'";
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$i++;
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// EOF
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